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Cushion|Lab Grown|IGI

1.35ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG815697990

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG815697990

Diamond specifications and retailer prices

From $983 CAD
$704 USD
As of October 30, 2026
Save $3,403 CAD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,386 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.35ct lab-grown cushion diamond

This 1.35ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815697990 or 815697990. Listed at 8 retailers as of October 30, 2026, with prices from $983 to $4,386, a $3,403 spread on the same certified stone. Do Amore Diamonds lists it at $4,386. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697990
Dimensions6.37 × 6.30 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.37 mm6.30 mm1.35 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697990
Side View
Table 57.0%Crown 34.2°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,386 CAD|Low: $463 CAD|High: $5,588 CAD|Avg: $1,921 CAD|-11.5%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
October 31, 2026
Retailer 7$463 CAD
Retailer 4$496 CAD
Retailer 10$983 CAD
Retailer 5$1,049 CAD
Retailer 12$1,083 CAD
Retailer 8$1,223 CAD
Retailer 15$1,244 CAD
Retailer 16$1,279 CAD
Retailer 3$1,397 CAD
Retailer 2$1,620 CAD
Retailer 13$1,866 CAD
Retailer 6$2,528 CAD
Retailer 11$2,686 CAD
Retailer 14$2,766 CAD
Retailer 9$3,213 CAD
Do Amore Diamonds$4,386 CAD

18 data points across 16 retailers

8 retailers$983 CAD to $4,386 CAD

A
Cheapest Retailer
-
$983 CAD
$704 USD
A
Retailer 2
-
$1,083 CAD
$775 USD
View
B+
Retailer 3
-
$1,620 CAD
$1,160 USD
View
B+
Retailer 4
-
$1,866 CAD
$1,336 USD
View
B+
Retailer 5
-
$2,686 CAD
£1,514 GBP
View
Retailer 6
-
$2,766 CAD
$1,980 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$3,213 CAD
$2,300 USD
View
Most Expensive
B
Do Amore Diamonds
27-79D2587DD · Oct 30
$4,386 CAD
$3,140 USD
View
7 more retailers have this diamond
Prices start from $983 CADSave up to $3,403 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.35ct Cushion
$983 CAD